/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// typefilter.BeginInvoke(m, filterCriteria, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this TypeFilter typefilter, Type m, Object filterCriteria, AsyncCallback callback)
{
if (typefilter == null)
{
throw new ArgumentNullException("typefilter");
}
return(typefilter.BeginInvoke(m, filterCriteria, callback, null));
}
